A crj-900 first officer reported a fuel burn of approximately 2;000 pounds over planned because clim...

Narrative:

When we were climbing out; I overheard that many different aircraft were leveling off early when they were unable to climb to their requested final. Both me and the captain looked at the FMS and saw in the climb the temperature was between isa+15 and isa+25. This caused us to burn through a lot of our extra fuel and even through we took off about 900 pounds over min fuel; between this and the speed restrictions going into ZZZ and the 45 mile downwind we had in ZZZ (I saw ZZZ1 out the window we were that far out) we landed just under our reserve fuel. The atmospheric conditions and ATC constraints made us burn through about 2;000 more pounds than we originally planned. The flight was never in jeopardy and we discussed that if there was any reason we were pulled off the approach or went around; we would immediately declare min fuel; but it was just a combination of many different things that led to such high fuel consumption.

Original NASA ASRS Text

Title: A CRJ-900 First Officer reported a fuel burn of approximately 2;000 pounds over planned because climb temperatures were between ISA+15 and ISA+25 coupled with ATC delays.

Narrative: When we were climbing out; I overheard that many different aircraft were leveling off early when they were unable to climb to their requested final. Both me and the captain looked at the FMS and saw in the climb the temperature was between ISA+15 and ISA+25. This caused us to burn through a lot of our extra fuel and even through we took off about 900 pounds over Min Fuel; between this and the Speed Restrictions going into ZZZ and the 45 mile downwind we had in ZZZ (I saw ZZZ1 out the window we were that far out) we landed just under our reserve fuel. The atmospheric conditions and ATC constraints made us burn through about 2;000 more pounds than we originally planned. The flight was never in jeopardy and we discussed that if there was any reason we were pulled off the approach or went around; we would immediately declare Min Fuel; but it was just a combination of many different things that led to such high fuel consumption.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.

Attributes
ACN	1426386
Time
Date	201702
Local Time Of Day	0601-1200
Place
Locale Reference	ZZZ.ARTCC
State Reference	US
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Make Model Name	Regional Jet 900 (CRJ900)
Operating Under FAR Part	Part 121
Flight Phase	Climb
Flight Plan	IFR
Person 1
Function	Pilot Not Flying First Officer
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Deviation - Procedural Other / Unknown Inflight Event / Encounter Weather / Turbulence Inflight Event / Encounter Fuel Issue

A crj-900 first officer reported a fuel burn of approximately 2;000 pounds over planned because climb temperatures were between isa+15 and isa+25 coupled with ATC delays.