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Flight Reliability

DL 4900 · Delta Air Lines

New York → Omaha (LGA–OMA)85% of its flights flew this route. The rest (ATL–CAE, CAE–ATL) are included in these numbers.

36
Bring Snacks
WanderNerd Reliability Score
70%
Arrive within 15 minutes
15 min
Average arrival delay
9.1%
Cancelled
6 min early
Median arrival delay

Based on 352 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

DL 4900 departing between 3–6 PM arrived on time 79% of the time, versus 68% between 6–9 PM.

Mondays have been rough.

DL 4900 arrived on time 80% of the time on Tuesdays and just 60% on Mondays. That gap is worth planning around.

A bit behind the LGA–OMA route.

DL 4900 arrived on time 70% of the time, versus 74% across the LGA–OMA route.

Lagging the Delta Air Lines network.

DL 4900 arrived on time 70% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon60%(48 flights)
  • Tue80%(49 flights)
  • Wed74%(50 flights)
  • Thu65%(46 flights)
  • Fri71%(49 flights)
  • Sat75%(28 flights)
  • Sun65%(48 flights)
On-time by departure window
  • 6–9 AM—(9 flights)
  • 9 AM–12 PM—(4 flights)
  • 12–3 PM—(8 flights)
  • 3–6 PM79%(29 flights)
  • 6–9 PM68%(268 flights)
On-time trend by month
77%
May

Jun 44% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202544%27
July 202550%22
August 202583%30
September 202586%29
October 202569%26
November 202548%23
December 202569%39
January 202693%28
February 202686%22
March 202664%22
April 202658%24
May 202677%26
Departures on time
73%
Diverted
0.6%
Flights flown
318
Months covered
12

Same route, other flights

Keep nerding

Based on 352 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.